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Chapter 10 Polarization Mode Dispersion Measurement
Display of results
2
Select the appropriate PMD test parameters according to your application as
earlier defined in this chapter.
3
Press the S
Figure 173
HR PMD measurement
81BBS1A
Display of results
Spectrum/FFT menu key
The key
Spectrum / FFT
•
The spectrum representing the power (in dBm) according to the frequency (in
THz) or wavelength (in nm).
•
The FFT curve and PMD information (delay & coefficient) according to the Fast
Fourier Transform Method. The FFT trace represents the PMD delay in ps.
Display of PMD results
The PMD results screen is split in 3 main areas. from top to bottom::
346
/S
button to start measuring.
TART
TOP
Fiber under test
fiber patchcords
PSM module
enables you to display:
User Manual
Signal input connector on the
81DISPAP or 81MRDISPAP module
78000010220 Rev. 024
Jumper
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Troubleshooting
